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SERVICE MANUAL
3. VERTICAL SCAN OUTPUT STAGE CIRCUIT LA78040/LA78041
Both LA78040/LA78041 are vertical scan output stage power amplifiers. But there is a little bit
difference between the two amplifiers, that is, LA78040 has supply voltage of 24V and output
current of 1.8A
P-P
while LA78041 has supply voltage of 30V and output current of 2.2A
P-P
.
LA7840 (N301)
Vertical Deflection Output Circuit
1) Features
Low power dissipation due to built-in pump-up circuit
·Vertical output circuit
·Thermal protection circuit built in
·Excellent crossover characteristics
DC coupling possible
Package Type: TO-220-7H
Fig. 11
2) Block Diagram
Fig.12 Block diagram
3)
Refer to Table 15 about Functions and Data of the IC’s Pins.
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Summary of Contents for 29CT24FS
Page 1: ...SERVICE MANUAL Models 29CT24FS 29CT71FS www akai ru COLOUR TV SET ...
Page 25: ...SERVICE MANUAL 2 Block Diagram Fig 7 Block diagram 23 ...
Page 32: ...SERVICE MANUAL 4 Pinning information 4 1 Pinning Fig 10 Pin configuration 30 ...
Page 41: ...SERVICE MANUAL 3 Pin Assignment Fig 19 Pin assignment 39 ...
Page 49: ...APPENDIX CIRCUIT DIAGRAM 1 JUC7 820 1117 ...
Page 50: ...CIRCUIT DIAGRAM 2 JUC7 820 1014 8 5 JUC7 820 1151 CRT RGB SIDE AV BOARD ...
Page 53: ...PRINTED CIRCUIT BOARD DIAGRAMS MAIN ...
Page 54: ...CRT RGB PRINTED CIRCUIT BOARD AV PRINTED CIRCUIT BOARD ...
Page 55: ...POWER PRINTED CIRCUIT BOARD ...